Originally delivered as the Einstein lectures at Bern University on 12–14 December 2011. The text of a draft of the lectures, presented on 8 December 2011 in the Colloquium in Legal, Political and Social Philosophy at NYU School of Law coordinated by Ronald Dworkin and Thomas Nagel, is available here: http://www.law.nyu.edu/academics/colloquia/ECM_PRO_070735 Videos from the three lectures are available here: https://cast.switch.ch/vod/channels/1gcfvlebil An excerpt from the published version of the first chapter is available here: http://www.nybooks.com/articles/archives/2013/apr/04/religion-without-god/?pagination=false